885851 has 4 divisors (see below), whose sum is σ = 887832. Its totient is φ = 883872.

The previous prime is 885839. The next prime is 885869. The reversal of 885851 is 158588.

885851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 885851 - 2¹⁰ = 884827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (221958).

2⁸⁸⁵⁸⁵¹ is an apocalyptic number.

885851 is a deficient number, since it is larger than the sum of its proper divisors (1981).

885851 is a wasteful number, since it uses less digits than its factorization.

885851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its digits is 12800, while the sum is 35.

The square root of 885851 is about 941.1965788293. The cubic root of 885851 is about 96.0403114847.

The spelling of 885851 in words is "eight hundred eighty-five thousand, eight hundred fifty-one".